770 search results - page 40 / 154 » An Approach to Querying Multiple Object Databases |
ADBIS
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. In moving object databases, many authors assume that number and position of objects to be processed are always known in advance. Detecting an unknown moving object and pu...
VLDB
1999
ACM
15 years 2 months ago
1999
ACM
Data intensive applications today usually run in either a clientserver or a middleware environment. In either case, they must efficiently handle both database queries, which proc...
DASFAA
2010
IEEE
14 years 10 months ago
2010
IEEE
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
MDM
2010
Springer
15 years 2 months ago
2010
Springer
—Range query processing is an important technology in spatial databases. Current studies mainly focus on range queries in outdoor space based on the Euclidean or network distance...
VLDB
1997
ACM
15 years 1 months ago
1997
ACM
Many sources on the Internet and elsewhere rank the objects in query results according to how well these objects match the original query. For example, a real-estate agent might r...